Buggy code:
public abstract class CascadeDeleteStrategy { public static final class NoneCascadeDeleteStrategy extends CascadeDeleteStrategy { public NoneCascadeDeleteStrategy ( JDBCCMRFieldBridge cmrField ) { } public void removedIds ( CmpEntityBeanContext ctx , Object [ ] oldRelationRefs , List ids ) { } public void cascadeDelete ( CmpEntityBeanContext ctx , List oldValues ) throws RemoteException , RemoveException { boolean trace = log . isTraceEnabled ( ) ; for ( int i = 0 ; i < ( oldValues . size ( ) ) ; ++ i ) { Object oldValue = oldValues . get ( i ) ; if ( relatedManager . unscheduledCascadeDelete ( oldValue ) ) { if ( trace ) { log . trace ( ( "Removing<seq2seq4repair_space>" + oldValue ) ) ; } invokeRemoveRelated ( oldValue ) ; } else if ( trace ) { log . trace ( ( oldValue + "<seq2seq4repair_space>already<seq2seq4repair_space>removed" ) ) ; } } } } public static final class DefaultCascadeDeleteStrategy extends CascadeDeleteStrategy { public DefaultCascadeDeleteStrategy ( JDBCCMRFieldBridge cmrField ) { } public void removedIds ( CmpEntityBeanContext ctx , Object [ ] oldRelationRef , List ids ) { } public void cascadeDelete ( CmpEntityBeanContext ctx , List oldValues ) throws RemoteException , RemoveException { boolean trace = log . isTraceEnabled ( ) ; for ( int i = 0 ; i < ( oldValues . size ( ) ) ; ++ i ) { Object oldValue = oldValues . get ( i ) ; if ( relatedManager . unscheduledCascadeDelete ( oldValue ) ) { if ( trace ) { log . trace ( ( "Removing<seq2seq4repair_space>" + oldValue ) ) ; } invokeRemoveRelated ( oldValue ) ; } else if ( trace ) { log . trace ( ( oldValue + "<seq2seq4repair_space>already<seq2seq4repair_space>removed" ) ) ; } } } } public static final class BatchCascadeDeleteStrategy extends CascadeDeleteStrategy { private final String batchCascadeDeleteSql ; public BatchCascadeDeleteStrategy ( JDBCCMRFieldBridge cmrField ) { } public void removedIds ( CmpEntityBeanContext ctx , Object [ ] oldRelationRefs , List ids ) { } public void cascadeDelete ( CmpEntityBeanContext ctx , List oldValues ) throws RemoteException , RemoveException { boolean didDelete = false ; boolean trace = log . isTraceEnabled ( ) ; for ( int i = 0 ; i < ( oldValues . size ( ) ) ; ++ i ) { Object oldValue = oldValues . get ( i ) ; if ( relatedManager . unscheduledCascadeDelete ( oldValue ) ) { if ( trace ) { log . trace ( ( "Removing<seq2seq4repair_space>" + oldValue ) ) ; } invokeRemoveRelated ( oldValue ) ; didDelete = true ; } else if ( trace ) { log . trace ( ( oldValue + "<seq2seq4repair_space>already<seq2seq4repair_space>removed" ) ) ; } } if ( didDelete ) { <START_BUG> executeDeleteSQL ( batchCascadeDeleteSql , ctx . getPrimaryKey ( ) ) ; <END_BUG> } } } public static CascadeDeleteStrategy getCascadeDeleteStrategy ( JDBCCMRFieldBridge cmrField ) { } protected final JDBCCMRFieldBridge cmrField ; protected final JDBCEntityBridge entity ; protected final JDBCStoreManager relatedManager ; protected final Logger log ; public CascadeDeleteStrategy ( JDBCCMRFieldBridge cmrField ) { } public abstract void removedIds ( CmpEntityBeanContext ctx , Object [ ] oldRelationRefs , List ids ) { } public abstract void cascadeDelete ( CmpEntityBeanContext ctx , List oldValues ) throws RemoteException , RemoveException ; protected void scheduleCascadeDelete ( Object [ ] oldRelationsRef , List values ) { } protected void executeDeleteSQL ( String sql , Object key ) throws RemoveException { } public void invokeRemoveRelated ( Object relatedId ) throws RemoteException , RemoveException { } interface SecurityActions { class UTIL { static CascadeDeleteStrategy . SecurityActions getSecurityActions ( ) { } } CascadeDeleteStrategy . SecurityActions NON_PRIVILEGED = new CascadeDeleteStrategy . SecurityActions ( ) { public Principal getPrincipal ( ) { } public Object getCredential ( ) { } } ; CascadeDeleteStrategy . SecurityActions PRIVILEGED = new CascadeDeleteStrategy . SecurityActions ( ) { private final PrivilegedAction getPrincipalAction = new PrivilegedAction ( ) { public Object run ( ) { } } ; private final PrivilegedAction getCredentialAction = new PrivilegedAction ( ) { public Object run ( ) { } } ; public Principal getPrincipal ( ) { } public Object getCredential ( ) { } } ; Principal getPrincipal ( ) { } Object getCredential ( ) { } } }

Fix:
executeDeleteSQL ( batchCascadeDeleteSql , ctx . getPrimaryKeyUnchecked ( ) ) ;